Description
Overview:
The Carburettor C1Q-S295A is a genuine Stihl replacement part for mid-range chainsaws, designed to restore reliable starting, smooth idling and clean acceleration. Built around a durable die-cast aluminium body with precision fuel metering components, it mixes air and fuel to the correct ratio for efficient combustion and stable power. This unit is specified for popular models such as the MS 231 and MS 251, and is supplied to the same standards as the original factory-fitted carburettor. It is a practical fix for poor running caused by wear, contamination or internal diaphragm ageing, and is suitable for both professional users and homeowners who need dependable performance for cutting, pruning and firewood preparation. Stihl reference: 1143 120 0611 (also written as 1143-120-0611).
Key Features:
- Genuine Stihl OEM part for assured compatibility and build quality
- Die-cast aluminium construction resists corrosion and everyday jobsite wear
- Restores reliable starting, steady idle and responsive throttle under load
- Calibrated fuel metering for efficient combustion and consistent power output
- Direct-fit replacement for the original carburettor on compatible models
- Designed for use with the correct 2‐stroke petrol/oil mix and standard air filtration
- Supports routine tuning and maintenance to match local conditions and fuel
- Built to deliver long service life when installed and maintained correctly
Typical Applications:
Replacing a worn or blocked carburettor to resolve hard starting, poor idle, bogging on acceleration or lack of power. Suited to regular forestry, arborist and landscaping work, as well as farm, estate and domestic tasks such as felling, logging, snedding and storm clean-up.
Also known as:
Carb, carburetor/carburettor assembly, fuel metering unit, mixing unit, C1Q S295A carb, chainsaw carb assembly, OE carb for Stihl MS231/MS251 series.
Fits Models:
MS 231, MS 231 C, MS 251, MS 251 C, MS231, MS231C, MS251, MS251C
Alternate Part Numbers:
1143-120-0611, 11431200611
Product Specifications
| L&S Part No. | 1143 120 0611 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11431200611 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl OEM part ensures compatibility - Die-cast aluminium construction resists corrosion - Calibrated fuel metering for efficient combustion - Direct-fit replacement for MS 231 and MS 251 - Suitable for 2-stroke petrol/oil mix systems |
| Fits Models | MS231, MS251 |
